Astrobiology

The average total power of individual airport radar systems, averaged over one-hour intervals as seen from Barnard’s Star. — Royal Astronomical Society Radar systems used by civilian airports and military

Detection of HD 135344 Ab with VLT/SPHERE. — astro-ph.EP HD 135344 AB is a young visual binary system that is best known for the protoplanetary disk around the secondary star.

Graphical Abstract — Istanbul Technical University Dr. Seda Işık, who completed her doctorate at Istanbul Technical University (ITU) Eurasia Institute of Earth Sciences in the Earth System Science Program, achieved

Earth’s limb as seen from space. Photo ISS001-421-24 3 March 2001 Larger image — NASA The oxygenation of Earth’s atmosphere 2.3 billion years ago, which on exoplanets is expected to

Rocky worlds DDT The Rocky worlds DDT Core Implementation Team (CIT) at STScI, along with the external Science Advisory Council (SAC), have been hard at work to make progress on

Radial velocity timeseries from MAROON-X with the median Rossiter-McLaughlin and 1σ confidence shown as the black line and blue shaded region. Black points are the binned radial velocities. The inset

Water ice absorption bands taken on Nov. 2. The normalized spectrum (blue circles) is compared with the best-fit model (red line) and two alternative models in which the ice compositions

Left panel: amount of stellar flux received as a function of planetary radius for the sample of known exoplanets (black dots). F⊕ is the Earth’s incident irradiation from the Sun.

Observed spectra of all the eight objects with JWST NIRSpec (green) and MIRI (orange) normalised to the flux at 2.5µm. Published photometry at near-infrared (red) and mid-infrared wavelengths (blue) is

Graphical Abstract — Nature Reviews Chemistry via PubMed Astrochemistry is a well-established multidisciplinary field devoted to the study of atoms and molecules in space. Although many astrochemists study molecules in